package com.example.speeddating.config;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;

//扫描mapper接口
@MapperScan("com.example.speeddating.mapper")
@EnableTransactionManagement  //自动管理事务
@Configuration  //配置类
public class MyBatisPlusConfig {

    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(new OptimisticLockerInnerInterceptor());  //注册乐观锁插件  做拦截然后自动化的处理
        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));  //分页
        return interceptor;
    }

}
